Home / 1,726,816.20-2,590,224.30-1,129,619.40

Finding the Fourth Proportional to 1,726,816.20, 2,590,224.30 and 1,129,619.40

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Solution

The fourth proportional to 1,726,816.20, 2,590,224.30 and 1,129,619.40 is: 1,694,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,816.20 : 2,590,224.30 = 1,129,619.40 : x
  2. Step 2: Convert to fraction form
    1,726,816.20/2,590,224.30 = 1,129,619.40/x
  3. Step 3: Cross multiply
    1,726,816.20x = 2,590,224.30 × 1,129,619.40
  4. Step 4: Simplify right side
    1,726,816.20x = 2,925,967,619,631.42
  5. Step 5: Solve for x
    x = 2,925,967,619,631.42/1,726,816.20
  6. Step 6: Final answer
    x = 1,694,429.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.